I highly recommend this video by Ignite Learning. It thoroughly describes the 3 laws of motion including real life examples that children can relate to and is interesting to watch.
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This simple forces science experiment allows your students to really see just how much force is required to overcome inertia to get things moving. They can also extend their understanding by considering how friction is a force to slow a moving object.
In this video by NASA the law of inertia is explained using examples from cars, jets and space travel. A National Test Pilot School instructor presents the examples and shows how seatbelts act as a force to protect people – even when they are rocketing along a test track at 400 miles per hour!
The sound quality isn’t great, but the video is fully subtitled and the content can’t be seen anywhere else, so I think it’s still worth watching.
In my experience children find crash test footage facinating and it commonly changes their attitudes to wearing seatbelts. In this video, they’ll get all that, and learn about Newton’s first law of motion, inertia, at the same time!